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50780800 = 275272267
BaseRepresentation
bin1100000110110…
…1101010000000
310112112221011101
43001231222000
5100444441200
65012224144
71154425660
oct301555200
9115487141
1050780800
1126734404
121500b054
13a69c915
146a5c1a0
1546d126a
hex306da80

50780800 has 96 divisors (see below), whose sum is σ = 143428320. Its totient is φ = 17402880.

The previous prime is 50780791. The next prime is 50780801. The reversal of 50780800 is 808705.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (50780801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21267 + ... + 23533.

It is an arithmetic number, because the mean of its divisors is an integer number (1494045).

Almost surely, 250780800 is an apocalyptic number.

50780800 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50780800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71714160).

50780800 is an abundant number, since it is smaller than the sum of its proper divisors (92647520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50780800 is a wasteful number, since it uses less digits than its factorization.

50780800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2298 (or 2281 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 50780800 is about 7126.0648327110. The cubic root of 50780800 is about 370.3109147030.

The spelling of 50780800 in words is "fifty million, seven hundred eighty thousand, eight hundred".

Divisors: 1 2 4 5 7 8 10 14 16 20 25 28 32 35 40 50 56 64 70 80 100 112 128 140 160 175 200 224 280 320 350 400 448 560 640 700 800 896 1120 1400 1600 2240 2267 2800 3200 4480 4534 5600 9068 11200 11335 15869 18136 22400 22670 31738 36272 45340 56675 63476 72544 79345 90680 113350 126952 145088 158690 181360 226700 253904 290176 317380 362720 396725 453400 507808 634760 725440 793450 906800 1015616 1269520 1450880 1586900 1813600 2031232 2539040 3173800 3627200 5078080 6347600 7254400 10156160 12695200 25390400 50780800